Usages of après-demain
Je vous le rendrai après-demain si je suis occupé.
I will return it to you the day after tomorrow if I am busy.
Ne me le rends pas maintenant; rends-le-moi après-demain.
Do not give it back to me now; give it back to me the day after tomorrow.
Elon.io is an online learning platform
We have an entire course teaching French grammar and vocabulary.